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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Controls.TestCasesPages
{
[Preserve (AllMembers = true)]
[Issue (IssueTracker.None, 0, "Navigation Backstack tests", PlatformAffected.All)]
public class NavigationStackTests : ContentPage
{
static int s_pageNumber = 0;
public NavigationStackTests ()
{
Title = "Navigation Page " + s_pageNumber;
var label = new Label {Text = Title};
var pushBtn = new Button {Text = "Push"};
var pushModalBtn = new Button {Text = "Push Modal"};
var pushNoAnimBtn = new Button {Text = "Push No Animation"};
var pushModalNoAnimBtn = new Button {Text = "Push Modal No Animation"};
var popBtn = new Button {Text = "Pop"};
var popModalBtn = new Button {Text = "Pop Modal"};
var popNoAnimBtn = new Button {Text = "Pop No Animation"};
var popModalNoAnimBtn = new Button {Text = "Pop Modal No Animation"};
var insertPageBtn = new Button {Text = "Insert Page"};
var removePageBtn = new Button {Text = "Remove Page"};
pushBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PushAsync (new NavigationStackTests ());
pushModalBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PushModalAsync (new NavigationPage(new NavigationStackTests ()));
pushNoAnimBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PushAsync (new NavigationStackTests (), false);
pushModalNoAnimBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PushModalAsync (new NavigationPage(new NavigationStackTests ()), false);
popBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PopAsync ();
popModalBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PopModalAsync ();
popNoAnimBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PopAsync (false);
popModalNoAnimBtn.Clicked += async (sender, args) => await ((Button) sender).Navigation.PopModalAsync (false);
insertPageBtn.Clicked += (sender, args) => ((Button) sender).Navigation.InsertPageBefore (new NavigationStackTests (), this);
removePageBtn.Clicked += (sender, args) => {
Element parent = ((Element) sender);
NavigationPage navPage = null;
while (navPage == null && parent != null) {
navPage = parent as NavigationPage;
parent = parent.Parent;
}
if (navPage != null) {
navPage.Navigation.RemovePage ((Page)((IPageController)navPage).InternalChildren[((IPageController)navPage).InternalChildren.Count - 2]);
}
};
Content = new ScrollView {
Content = new StackLayout {
Children = {
label,
pushBtn,
pushModalBtn,
pushNoAnimBtn,
pushModalNoAnimBtn,
popBtn,
popModalBtn,
popNoAnimBtn,
popModalNoAnimBtn,
insertPageBtn,
removePageBtn
}
}
};
s_pageNumber++;
}
}
}
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